The writer Fernando Vallejo, returns to Medellin, the city of his childhood, after an absence of over thirty years. He meets a 16-year-old boy, Alexis, in a brothel. Alexis is the kind of killer who knocks people off on command. The two are immediately attracted and a love grows between them. Their intense passion reflects the decadence of the city. Alexis is like an Angel of Death openly firing on anybody who rubs him the wrong way. From street to street, church to church, murder to murder, Fernando discovers through Alexis an aspect of the city that he had previously not experienced... an underside filled with violence and hatred. In the end, Alexis is killed by some unknown motorcyclist. Fernando is devastated. One day he thinks he sees him under a porch... It's not Alexis at all, it's Wilmar...A new love story begins for Fernando as if in this city, reality has been turned upside down and the dead seem to come alive again.